Sunbeam Humidifier Filter: * Contains antimicrobial product additive for built-in protection * Inhibits the growth of bacteria, mold and mildew * Features Arm & Hammer Baking Soda to naturally deodorize the air * For use with: Holmes HM1730, HM1745, HM1746, HM1750, HM2200, Sunbeam SCM1746, SCM1747 * Model SF213PDQ-UM